Finding the Fourth Proportional to 1,137,134.08, 1,569,234.44 and 627,840.08
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Solution
The fourth proportional to 1,137,134.08, 1,569,234.44 and 627,840.08 is: 866,413.46
Step by Step Solution
- Step 1: Write the proportion equation
1,137,134.08 : 1,569,234.44 = 627,840.08 : x - Step 2: Convert to fraction form
1,137,134.08/1,569,234.44 = 627,840.08/x - Step 3: Cross multiply
1,137,134.08x = 1,569,234.44 × 627,840.08 - Step 4: Simplify right side
1,137,134.08x = 985,228,276,348.36 - Step 5: Solve for x
x = 985,228,276,348.36/1,137,134.08 - Step 6: Final answer
x = 866,413.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.